Last Updated：2025/11/21
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After installing the pipes, careful backfilling restored the trench to its original level.
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After installing the pipes, careful backfilling restored the trench to its original level.
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Related words
backfilling
Noun
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uncountable
Japanese Meaning
（建設や土木などの文脈で）掘削後の穴や空間に土や資材を再び充填する工程、または空いた部分を補充する作業
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